land. He just arrived in Bethlehem, after a stop in skwlordian. It's his first trip to the middle east as pontiff and ABC's terry Moran is traveling with him. Terry? Reporter: Good morning, Martha. What a day it has been here. Part spiritual. Part pilgrimage. Some controversy as well. He pointedly said that he was in the state of palestine, a term that Israel rejects and the United States doesn't recognize. Pope Francis in the grotto where Christians believe Jesus was born. In the manager square earlier, he spoke of the children in the world today sh. In acknowledging this, we feel shame before god who became a child. As he makes his journey here, this morning, traveling in an open car through the Palestinian west bank, he smiles his winning smile. But this morning, a sorrowful and striking scene, the pope prays at the grim separation barrier dividing Israelis and Palestinians. There is anger in this pope, we saw it yesterday in Jordan when he went off-script, shook his fists and railed against those selling weapons to Syria. Criminals he called them. But, can a pope, any pope, make change happen? Francis is the fourth pope to visit the holy land. This trip marks the 50th average of the ground-breaking journey. Five decades later, still no peace. In the old city of Jerusalem, we spoke with a Palestinian shopkeeper. I hope this one will bring difference. But to be honest with you, I doubt it. You're a bit of a pessimist? At the age of 50, you know, living under occupation, for so many years, I don't think anything has changed. Reporter: Pope Francis comes and hugs the children and meets with the political leaders and the wars grind on and the refugees despair and the children suffer. Still, pope Francis is determined to bear witness and keep trying in an extraordinary gesture, he's invited the presidents to join him in the Vatican to pray for peace. And they have accepted. Martha? Our thanks to terry.

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